dev-libs/cgreen: add 1.6.4

Small style tweaks over 1.6.3.

Signed-off-by: Sam James <sam@gentoo.org>

dev-libs/cgreen/Manifest

@@ -1,2 +1,3 @@
 DIST cgreen-1.3.0.tar.gz 350959 BLAKE2B 467af04aae61745e1a78e872be9c174a0b21db7a470b48a3d96132f4bc97300b0d51fd4617e4588491a2f032b3ba82e665c7bd49be3d360a33dae0e1323716a5 SHA512 3734be08722900b4c6aaa1cd8a7a31ffd876c12742cf81266014158dad0919db46a457fbc742f3d7e9b1fdf75530ee872045962469eeeb6d1fc45fddf2b6d332
 DIST cgreen-1.6.3.tar.gz 461875 BLAKE2B 94df8754e164d04f40211a8ec1ca1959d6ad9cfd74ec986cb71e38dfec17f0db762d7b879fd86676553cd3134d966f9cb43a4ba035cf22ac080dfd8a28745dbf SHA512 0dbd637e6d2c0511d5e540107b3a4c7c66c3017e1626e19224e2e79f176f07a518be345689fc543f867dd0b412310f3bf10f4560de11239120bc206a1be3a3d8
+DIST cgreen-1.6.4.tar.gz 462389 BLAKE2B 3d1082737e75a29efccb405298d5883388bf46fd49b9c97bfb6c92dbc8840ad85544d61cd13b844fe3b16f1506dc86ab5125f2b13fe28280168b4568271e8304 SHA512 ffaf10c1a0445eb957d73d49346547db32fb83160a7edf822583f908c0ab30f9f8f2dea1037337dc4306d6eaa47b8ffe3a8acaf4e8956fdd9e6cfc20bbc09bf2

dev-libs/cgreen/cgreen-1.6.4.ebuild

@@ -0,0 +1,43 @@
+# Copyright 2020-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake flag-o-matic
+
+DESCRIPTION="Unit test and mocking framework for C and C++"
+HOMEPAGE="
+	https://cgreen-devs.github.io/cgreen/
+	https://github.com/cgreen-devs/cgreen
+"
+SRC_URI="https://github.com/cgreen-devs/cgreen/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="ISC"
+SLOT="0"
+KEYWORDS="amd64 ~x86"
+IUSE="libxml2 test xml" # doc flag could be added
+RESTRICT="!test? ( test )"
+
+DEPEND="libxml2? ( dev-libs/libxml2:= )"
+RDEPEND="${DEPEND}"
+BDEPEND="
+	${DEPEND}
+	test? (	dev-lang/perl )
+"
+
+PATCHES=( "${FILESDIR}"/${PN}-1.6.3_no-fortify-source.patch )
+
+src_configure() {
+	# Fails to compile with LTO because of ODR violation
+	filter-lto
+
+	local mycmakeargs=(
+		-DCGREEN_WITH_STATIC_LIBRARY=OFF # upstream default
+		-DCGREEN_WITH_LIBXML2=$(usex libxml2)
+		-DCGREEN_WITH_UNIT_TESTS=$(usex test)
+		-DCGREEN_WITH_XML=$(usex xml)
+	)
+
+	# Makefile is a wrapper for cmake, ignore it
+	cmake_src_configure
+}